<html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>滚动动画</title>
</head>
<link rel="stylesheet" href="style.css">

<body>
    <h1>Scroll to see the animation</h1>
    <div class="box"> <h2>Content</h2></div>

    <div class="box"> <h2>Content</h2></div>
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    <div class="box"> <h2>Content</h2></div>
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</body>
<script src="script.js"></script>

</html>